| Rutherglen to Mangualde | 1,064.11 mi (1,712.52 km) |
| Rutherglen to Marco de Canavezes | 1,027.35 mi (1,653.35 km) |
| Rutherglen to Marinha Grande | 1,131.62 mi (1,821.17 km) |
| Rutherglen to Massama | 1,202.32 mi (1,934.94 km) |
| Rutherglen to Matosinhos | 1,031.93 mi (1,660.74 km) |
| Rutherglen to Mealhada | 1,084.36 mi (1,745.11 km) |
| Rutherglen to Melgaco | 964.61 mi (1,552.38 km) |
| Rutherglen to Melres | 1,037.31 mi (1,669.40 km) |
| Rutherglen to Mira | 1,083.32 mi (1,743.43 km) |
| Rutherglen to Miranda do Corvo | 1,102.79 mi (1,774.77 km) |
| Rutherglen to Mirandela | 999.96 mi (1,609.28 km) |
| Rutherglen to Mogadouro | 1,007.83 mi (1,621.95 km) |
| Rutherglen to Moimenta da Beira | 1,037.38 mi (1,669.51 km) |
| Rutherglen to Moita | 1,207.08 mi (1,942.60 km) |
| Rutherglen to Moncao | 969.40 mi (1,560.10 km) |
